Where do I find my ActiveCampaign API information?

While logged into ActiveCampaign:

  1. Go to My Settings
  2. Select Developer from the menu on the left
  3. Under API Access  you will see your URL and Key. Copy and paste these values into AgileForms

 

Source:
https://help.activecampaign.com/hc/en-us/articles/207317590-Getting-started-with-the-API